<template>
  <div class="shopcar-container">
    <div class="goods-list">
      <!-- 商品列表项区域 -->
      <div class="mui-card" v-for="(item,i) in goodsList" :key="i">
        <div class="mui-card-content">
          <div class="mui-card-content-inner">
            <mt-switch v-model="$store.getters.getGoodsSelected[item.id]"
                @change="selectedChanged(item.id, $store.getters.getGoodsSelected[item.id])"></mt-switch>
            <img :src="item.thumb_path" />
            <div class="info">
              <h1>{{item.title}}</h1>
              <p>
                <span class="price">￥{{item.sell_price}}</span>
                <numbox :initcount="$store.getters.getGoodsCount[item.id]" :goodsid="item.id"></numbox>
                <a href="#" @click.prevent="remove(item.id, i)">删除 </a>
              </p>
            </div>
          </div>
        </div>
      </div>
    </div>

    <!-- 结算区域 -->
    <div class="mui-card">
      <div class="mui-card-content">
        <div class="mui-card-content-inner jiesuan">
            <div class="left">
                <p>总计（不含运费）</p>
                <p>
                    已勾选商品 <span class="red">{{$store.getters.getGoodsCountAndAmount.count}}</span> 件，
                    总价：<span class="red">￥{{$store.getters.getGoodsCountAndAmount.amount}}</span></p>
            </div>
            <mt-button type="danger">去结算</mt-button>
        </div>
      </div>
    </div>
    <p>{{$store.getters.getGoodsSelected}}</p>
  </div>
</template>

<script>
import numbox from "../subcomponents/shopcar-numbox.vue";
export default {
  data() {
    return {
        goodsList:[],// 购物车中所有商品的数据
    };
  },
  created() {
      this.getGoodsList();
  },
  methods: {
    getGoodsList() {
      // 1.获取 store 中所有的商品id，然后拼接成一个用逗号分割的 字符串
      var ids = [];
      this.$store.state.car.forEach(item => ids.push(item.id));
      if(ids.length<=0) return;// 如果购物车中没有数据
      // 获取购物车商品列表
      this.$http.get("goods/getshopcarlist/"+ ids.join(','))
      .then(res=>{
          var res = res.body;
          if (res.status === 0) {
              this.goodsList = res.message;
          }
      });
    },
    remove(id, i) {
        // 点击删除把商品从 store 中根据id删除，同时，当前数组中的 goodsList 中的商品使用 index 来删除
        this.goodsList.splice(i, i);
        this.$store.commit('removeFormCar', id);
    },
    selectedChanged(id, val){
        // 每当点击开关，把最新的 开关状态，同步到 store 中
        this.$store.commit('updateGoodsSelected',{id,selected: val})
    }
  },
  components: {
    numbox
  }
};
</script>

<style lang="scss" scoped>
.shopcar-container {
  background-color: #eee;
  overflow: hidden;
  .goods-list {
    .mui-card-content-inner {
      display: flex;
      align-items: center;
    }
    img {
      width: 60px;
      height: 60px;
    }
    h1 {
      font-size: 13px;
    }
    .info {
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      p {
        margin-top: 8px;
      }
      .price {
        color: red;
        font-weight: bold;
      }
    }
  }
  .jiesuan{
      display: flex;
      justify-content: space-between;
      align-items: center;
      .red{
          color: red;
          font-weight: bold;
          font-size: 16px;
      }
  }
}
</style>